package cn.edu.zafu.bigdata.x.zhouyuyan;

public class BookTest {
    public static void main(String[] args) {
        Book a = new Book("Java Programming","John Doe",29.99);
        Book b = new Book("English","Annia",19.99);
        Book c = new Book("Math","John",39.99);
        System.out.println(a);
        System.out.println(b);
        System.out.println(c);
    }

}
